/// <summary>
/// Checks if the property's value is a valid ip address.
/// <para>Supported Data Types: Strings.</para>
/// </summary>
/// <param name="validator">The validator to add more validations or sanitization.</param>
/// <param name="errorMessage">An optional validation error message.</param>
/// <returns>A Validator.</returns>
public static Validator IsIP(this Validator validator, string errorMessage = null)
{
try
{
var value = validator.GetValue();
if (!validator.IsOptional || value != null)
{
if (!IPAddress.TryParse(value.ToString(), out var iPAddress))
{
validator.AddError(errorMessage ?? DefaultErrorMessages.IsIP());
}
}
}
catch (Exception)
{
validator.AddError(errorMessage ?? DefaultErrorMessages.IsIP());
}
return(validator);
}
/// <summary>
/// Checks if the property's value is a valid ip address for the given ip version.
/// <para>Supported Data Types: Strings.</para>
/// </summary>
/// <param name="validator">The validator to add more validations or sanitization.</param>
/// <param name="ipVersion">The version of the ip address.</param>
/// <param name="errorMessage">An optional validation error message.</param>
/// <returns>A Validator.</returns>
public static Validator IsIP(this Validator validator, IPVersion ipVersion, string errorMessage = null)
{
var version = ipVersion == IPVersion.IPv4 ? "v4" : "v6";
try
{
var value = validator.GetValue();
if (!validator.IsOptional || value != null)
{
if (
// is a valid ip address
!IPAddress.TryParse(value.ToString(), out var iPAddress)
||
// is a valid ipv4
(
ipVersion == IPVersion.IPv4 &&
!Regex.IsMatch(value.ToString(),
@"^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}" +
@"([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$"
, RegexOptions.IgnoreCase
)
)
||
// is a valid ipv6
(
ipVersion == IPVersion.IPv6 && iPAddress.AddressFamily != AddressFamily.InterNetworkV6
)
)
{
validator.AddError(errorMessage ?? DefaultErrorMessages.IsIP(version));
}
}
}
catch (Exception)
{
validator.AddError(errorMessage ?? DefaultErrorMessages.IsIP(version));
}
return(validator);
}
